Hey,
unbind/bind doesn't work in the latest kernel versions. Instead you can
use this to restart remoteproc and load the firmware:
echo 'stop'>/sys/class/remoteproc/remoteproc1/state
echo 'start'>/sys/class/remoteproc/remoteproc1/state
Regards.
On Monday, February 19, 2018 at 8:33:32 PM UTC+5:30, Filip Kotouček wrote:
>
> Hello everyone,
>
> I have a problem with rproc PRU driver in Linux. My setup is beaglebone
> black and official debian
> image bone-debian-9.3-iot-armhf-2018-01-28-4gb.img.xz.
>
> The problem is simple. I cannot find bind/unbind in the rproc driver.
>
> Here is the console ouptup:
> prusa_pro:/# echo 4a334000.pru0 >
> /sys/bus/platform/drivers/pru-rproc/unbind
> -sh: /sys/bus/platform/drivers/pru-rproc/unbind: Permission denied
>
> I'm kind of new in Linux so I guess I'm missing something simple. I tried
> to load rpmsg firmware example from TI and it worked OK. But still no
> bind/unbind in /sys/bus/platform/drivers/pru-rproc/.
>
> Thanks for any advice.
>
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